Part number U70920 is an AS568-920 clear Polyurethane (AU/EU) 70 Shore A O-Ring built to an inside diameter of 1.475 in (37.47 mm), a cross section of 0.118 in (3 mm), and an outside diameter of 1.711 in (43.46 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Polyurethane (AU/EU) is specified for exceptional abrasion resistance and outstanding extrusion resistance at elevated pressure. The material holds up against petroleum oils, impact and shock loading, and ozone. The material carries a published service range of -65°F (-53.9°C) to 200°F (93.3°C). Applications involving prolonged humidity at elevated temperature or acids and bases call for a different compound.
Typical settings include mining and heavy equipment, hydraulic cylinders, and off-highway equipment.
Stocked as U70920 and sold individually. Nominal inside diameter is listed as 1 1/4 inch. Review your operating media and conditions against this specification before installation.
Description 568-920 URETHANE 70 DURO ORINGS
Actual Cross Section 0.118 inch (3 mm)
Actual Inside Diameter 1.475 inch (37.47 mm)
Actual Outside Diameter 1.711 inch (43.46 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium